hi all
youtube has added new feature , you can check it
http://1.bp.blogspot.com/-7OwC1ObMPG...s1600/lec1.png
how to add it
1 add this extension
2 change the language to ' English US 'HTML Code:https://chrome.google.com/webstore/detail/editthiscookie/fngmhnnpilhplaeedifhccceomclgfbg?hl=fr
3 open edit cookie extension and change this value VISITOR_INFO1_LIVE to this one Q06SngRDTGA
enjoy it :D